Kupffer cells

1. Specialized macrophages located in the liver lining the walls of the sinusoids that form part of the reticuloendothelial system (RES) (also called mononuclear phagocyte system). (wikipedia.org)

2. Large star-shaped or pyramidal cells with a large oval nucleus and a small prominent nucleolus. These intensely phagocytic cells line the walls of the sinusoids of the liver and form a part of the reticuloendothelial system. (biology-online.org)

3. Phagocytic cells of the mononuclear phagocyte series found on the luminal surface of the hepatic sinusoids. (medilexicon.com)